【正文】 Sharp ends 回形針的尖端 Paper Clip—DFMEA Process Flow 過程流程 ? Operation 10: receiving (wire and coatings) 材料接收 ? Operation 20: Receiving Inspection 進貨檢驗 ? Operation 30: Uncoiling and straightening 展開拉直 ? Operation 40: Coating—Future 涂覆 —后續(xù) ? Operation 50: Curing—Future 加工 —后續(xù) ? Operation 60: Cutting 切斷 ? Operation 70: Bending 彎曲 ? Operation 80: Unit Packaging 單只包裝 ? Operation 90: Pack and Ship 包裝發(fā)運 PFMEA ? Exercise 測試 ? Conduct and Review the PFMEA and Control Plan 實施并評審 PFMEA和控制計劃 Conclusions 結(jié)論 ? The FMEA process is critical in assuring that all areas of the product and process design (including interfaces and environment) have been evaluated and all potential failure modes have been mitigeted. ? FMEA過程決定于確保產(chǎn)品和過程設(shè)計的所有區(qū)域（包括接口和環(huán)境）都被評審，并且所有潛在失效模式都已經(jīng)被減輕 ? The 4th edition improvement will aid in applying FMEAs at suppliers and reduce some of the auditing issues in relation to FMEAs. 第四版 FMEA的改進將會幫助供應(yīng)商對 FMEA的應(yīng)用，并且減少一些對 FMEA相關(guān)的審核。 DFMEA ? Requirement: Does not catch, Mutilate, or tear papers ? 要求：不能卡住或撕破紙張 ? Team Exercise 小組測試 ? Develop the branch in the DFMEA for this requirement of the basic function of the item: paper clip ? 以以上要求，開發(fā)一個 DFMEA。 Basic Customer Requirements for a paper clip 對于回形針，顧客的基本要求。 ? These forces tend to return the paper clip to its equilibrium shape and push the two surfaces together. 這種力量會導(dǎo)致回形針回復(fù)到一個平面，并將兩個表面合在一起。 ? In effect, a paper clip consists of two metal surfaces that are pressed against one another by the elasticity of the metal wire from which the paper clip is built. 實際上，一個回形針包括兩個互相貼合的金屬表面，通過金屬絲的彈性來夾緊紙張。 ? 為了具有競爭力，小組決定：如果回形針的腳能切短一點，達到鋼絲原有用量的10%，那么，每一個回形針可以： 降低材料成本，并能降低一半的制造成本； 因為減輕了重量，則同時降低了運輸成本。 ? 展望 本地市場，每年估計有 5億只需求； 如果制造成本是每只 ，那么公司期望能獲得 10%的市場占有率 如果成本在 ，那么每年，本地市場預(yù)計可以銷售 8000萬只，出口達到 2023萬只。 ? 你是小組的成員之一。 ? 為了公司的發(fā)展，公司希望在其他市場擴大其產(chǎn)品線。 Conduct a Case Study! 聽了這么久，做個案例吧？！ 回形針 SCENARIO 案例 ? You work for Dilbert Wire Forming(DWF), a firm that has long prospered by supplying the automotive industry with formed wire products, such as springs and wire clips. ? To bee economically more robust, DWF wishes to broaden its product line so that it could move into new markets. ? A group is formed consisting of market research, production, sales, and design associates to look into what new product could be made utilizing the pany’s experience in wire forming ? You are a member of this group. ? 你為 DWF公司工作。 ? 噪音、粗糙、運行不穩(wěn)、無法運作、外觀不良、不適的異味、不穩(wěn)定、運行減損、間歇運行、發(fā)熱、泄漏、定期的不符合 ? System Development 系統(tǒng)開發(fā) A child failure mode causes a parent failure modes and all its effects. 一個子失效模式，會導(dǎo)致一個母失效模式和它所有的影響。 Also, connections to Control Plans, DVPR,etc 同樣的，與控制計劃，設(shè)計驗證的聯(lián)系 Linkages between Design and Process 設(shè)計和過程的聯(lián)系 ? Design development 設(shè)計開發(fā) A ―standard‖ radius specified but hard to manufacture. 一個標準的半徑，但是難以加工 Styling shapes, which look good but are hard and expensive to shape. 一個外形，看著很漂亮，但是難以，和需要昂貴的加工。 Product design risk impacted by manufacturing of design that may be identified during the DFMEA research an